Guys,

any idea on how to get the top 100, top 1000,top 10000 or top N rich addresses. I saw some site was able to extract it i.e.

http://bitinfocharts.com/top-100-richest-bitcoin-addresses.html
http://btc.ondn.net/

Do they use an API or what do you think they scrap data?

TIA,

Mike